Tree-ring measurements of Picea mariana (Black spruce) from sample LCHEVPMA-102
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Species PCMA; No of rings 171; Begin 1818; End 1988
物种(Species):PCMA;环数(No of rings):171;起始年份(Begin):1818;终止年份(End):1988

Species PCMA; No of rings 171; Begin 1818; End 1988
物种(Species):PCMA;环数(No of rings):171;起始年份(Begin):1818;终止年份(End):1988